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Weld Joint calculators

    Table of contents
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    Procedures | References

    Weld calculators design and check butt, fillet, plug, groove, and spot weld joints. You can check the whole range of typical welds loaded with different types of loading. Butt and fillet weld joints can be checked both for static and fatigue loading. You can select the required type of weld joint, the material and the size of the weld, design geometric parameters of the weld joint, and perform the strength check.

    Note
    • We do not recommend that you use plug, groove, and spot weld joints under the fatigue loading. The calculations of this joint are not available.
    • Origination of sudden brittle fractures, changes in the mechanic values of the material caused by the temperature and residual stress affects, are not taken into account in the calculation. The calculation does not apply to weld joints requiring special standards (for example, pressure vessels, cranes, excavators, piping, and so on). Only nominal stress for the particular loading in a certain section is specified by the calculation. The stress concentrations and internal stresses are not taken into account.
    TipSee the Engineer's Handbook for used calculation formulas for designing weld joints.

    Procedures

    Calculate butt weld joints

     
    1. On the ribbon, click Environments tabConvert panelButt Weld Calculator.
    2. On the Calculation tab, click More Options and select the calculation method.
    3. Enter input parameters.
    4. If desired, switch to the Fatigue Calculation tab to enter values for fatigue calculation.
    5. Click Calculate to calculate the joint. Result values are displayed in the Results area on the right side of the Calculation tab.
    6. Click OK to insert weld calculation into Autodesk Inventor.

    This procedure creates an example using the sample specifications:

     
    1. Start the Butt Weld Calculator:
    2. On the Calculation tab:
      • Set the Standard Calculation procedure Method from the Calculation of Statically Loaded Weld area.
      • Click the Enables/disables fatigue calculation icon.
      • Select the Weld Design: .
      • Click the first icon in the Weld Loads area to specify input loads.
      • Set the Axial Force to 2000 N.
      • Measure the Tube outer diameter from assembly - 10 mm.
      • Select the Weld Material - Structural Steel A572-Grade42.
      • Set the Safety Factor to 2.5.
    3. Click Calculate. See the results in the Results area.
    4. Click OK.

    Calculate fillet weld joints with connection plane load

     
    1. On the ribbon, click Environments tabConvert panelFillet Weld Calculator (Plane).
    2. Click More in the Calculation tab and select the calculation method.
    3. On the Calculation tab, enter input parameters.
    4. If desired, and if the appropriate Weld Form is selected, switch to the Fatigue Calculation tab to enter values for fatigue calculation.
    5. Click Calculate to calculate the joint. Result values are displayed in the Results area on the right side of the Calculation tab.
    6. Click OK to insert weld calculation into Autodesk Inventor.

    These procedures create examples using the sample specifications:

    Static Calculation

     
    1. Start the Fillet Weld (Connection Plane Load) Calculator.
    2. On the Calculation tab:
      • Set the Standard Calculation procedure Method from the Calculation of Statically Loaded Weld area.
      • Select the Weld Form: .
      • Click the Enables/disables fatigue calculation icon.
      • Specify Input Loads: .
      • Set the Bending Force to 2000 N.
      • Measure the Force Arm from assembly - 100 mm.
      • Set the Weld Height to 5 mm.
      • Set the Weld Radius to 75 mm.
      • Select the Weld Material - Structural Steel A572-Grade42.
      • Set the Safety Factor to 2.5.
    3. Click Calculate. See the results in the Results area.
    4. Click OK.

    Fatigue Calculation

     
    1. Start the Fillet Weld (Connection Plane Load) Calculator.
    2. On the Calculation tab, enter and select values from previous example.
    3. Switch to the Fatigue Calculation tab:
      • Specify the type of Bending force - fluctuated.
      • Set the upper value of the Bending force to 6000.
      • In the Fatigue Strength Calculation Method area, select Modified Goodman Method.
      • Set the Dynamic Stroke Factor to 1.25 - equal to medium shocks.
      • Set the Basic Endurance Limit of Material to 200 MPa.
      • Set the Reliability Factor to 1.0.
    4. Click Calculate. See the results in the Results area.
    5. Click OK.

    Calculate fillet weld joints spatially loaded

     
    1. On the ribbon, click Environments tabConvert panelFillet Weld Calculator (Spatial).
    2. Click More in the Calculation tab and select the calculation method.
    3. In the Calculation tab, enter input parameters.
    4. If desired and if selected the proper Weld Form, switch to the Fatigue Calculation tab to enter values for fatigue calculation.
    5. Click Calculate to calculate the joint. Result values are displayed in the Results area on the right side of the Calculation tab.
    6. Click OK to insert weld calculation into Autodesk Inventor.

    This procedure creates an example using the sample specifications:

     
    1. Start the Fillet Weld (Spatial Load) Calculator.
    2. On the Calculation tab:
      • Select the Standard Calculation Procedure method from the Calculation of Statically Loaded Weld area.
      • Select the Weld Form: .
      • In the Weld Loads area, select first two buttons.
      • Set the Axial force to 2000 N.
      • Set the Bending Force to 1500 N.
      • Set the Beam Diameter to 80 mm.
      • Select the Weld Material - Structural Steel A572-Grade42.
      • Set the Safety Factor to 2.5.
    3. Click Calculate. See the results in the Results area.
    4. Click OK.

    Calculate plug and groove weld joints

     
    1. On the ribbon, click Environments tabConvert panelPlug/Groove Weld Calculator.
    2. In the Calculation of Statically Loaded Weld area of the Calculation tab, select the calculation method.
    3. In the Calculation tab, enter input parameters.
    4. Click Calculate to calculate the joint. Result values are displayed in the Results area on the right side of the Calculation tab.
    5. Click OK to insert weld calculation into Autodesk Inventor.

    This procedure creates an example using the sample specifications.

     
    1. Start the Plug and Groove Weld Calculator.
    2. On the Calculation tab:
      • Set the Standard Calculation procedure Method from the Calculation of Statically Loaded Weld area.
      • Select the Weld Design: .
      • Set the Acting force to 2000 N.
      • Measure the Plate thickness from assembly - 10 mm.
      • Set the Weld Diameter to 8 mm.
      • Set the Number of Welds to 4.
      • Select the Weld Material - Structural Steel A572-Grade42.
      • Set the Safety Factor to 2.5.
    3. Click Calculate. See the results in the Results area.
    4. Click OK to insert calculation to the Autodesk Inventor assembly.
    TipClick the Results in the right upper corner to open the HTML report.

    Calculate spot weld joints

     
    1. On the ribbon, click Environments tabConvert panelSpot Weld Calculator.
    2. In the Calculation of Statically Loaded Weld area of the Calculation tab, select the calculation method.
    3. In the Calculation tab, enter input parameters.
    4. Click Calculate to calculate the joint. Result values are displayed in the Results area on the right side of the Calculation tab.
    5. Click OK to insert weld calculation into Autodesk Inventor.

    This procedure creates an example using the sample specifications.

     
    1. Start the Spot Weld Calculator.
    2. On the Calculation tab:
      • In the Calculation of Statically Loaded Weld area select the Standard Calculation procedure method.
      • Select the Weld Design: .
      • Set the Acting force to 2000 N.
      • Measure the Plate thickness from assembly - 10 mm.
      • Set the Weld Diameter to 8 mm.
      • Set the Number of Welds to 4.
      • Select the Weld Material - Structural Steel A572-Grade42.
      • Set the Safety Factor to 3.
    3. Click Calculate. See the results in the Results area.
    4. Click OK.

    References

    Butt Weld Calculator - Calculation tab

    Sets parameters for calculation of a butt weld joint.

    Access:

    		Ribbon: Environments tabConvert panelButt Weld Calculator

    Loads

    Enter forces, bending moments, and other important parameters that specify the weld loading. Displayed options depend on the Weld Load selected type.

    Bending Moment M1

    Designs optimal hub length for the specified load, shaft diameter, and joint properties.

    Bending Moment M2

    Designs optimal shaft diameter for the specified load and joint properties.

    Dimensions

    Summarizes all parameters necessary for definition of the weld geometry. Displayed options depend on the Weld Design selected type.

    Plate Thickness

    Designs optimal hub length for the specified load, shaft diameter, and joint properties.

    Weld Length

    Designs optimal shaft diameter for the specified load and joint properties.

    Weld Angle

    Designs optimal shaft diameter for the specified load and joint properties.

    Joint Material and Properties

    Check the check box to open Material Database and select a material. Edit the properties of the material, if needed.

    Yield Strength

    Displays the maximum stress that can be applied without permanent deformation of the test specimen. The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Ultimate Tensile Strength

    The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Safety Factor

    Enter the value or click the arrow to set the value in the Safety Factor dialog box.

    Conversion Factor of Weld Joint for:

    - Butt Weld Load. with Tens. - Press.

    Enter the value or click the button to set the value in the Recommended values dialog box.

    - Butt Weld Loaded with Shear

    Specifies the value you enter, or set the value in the Recommended values dialog box.

    Calculation of Statically Loaded Weld

    A switch for selection of the Standard Calculation Procedure and Method of Comparative Stresses. Selects a calculation method for statically loaded weld joints. Both methods calculate resultant stresses in a similar way, but the evaluation of results for the strength check is different. See the Engineer's Handbook for used methods of weld joint calculations.

    Standard Calculation Procedure

    Checks joint strength by direct comparison of calculated normal, shear, or resulting reduced stress with the allowable stress by using a standard calculation procedure. See the Engineer's Handbook for calculation formulas.

    Method of Comparative Stresses

    Compares allowable stress with auxiliary comparative stress, which is determined from the calculated partial stresses by using conversion factors of the weld joint when the strength check is carried out with this method. See the Engineer's Handbook for calculation formulas.

    Weld Load

    		  

    Specifies the method of calculated weld load.

    Weld Design

    		  

    Specifies the method of calculated weld design.

    Results

    Displays the calculated values and the weld strength check.

    Summary of Messages area

    Displays the reports about calculation. To open the Summary of Messages area at the bottom of the tab, double-click the double line at the bottom of the tabs or click the chevron.

    Fatigue Calculation tab

    Toolbar Commands

    Butt Weld Calculator - Fatigue Calculation tab

    Calculates fatigue loaded weld joints where static calculation is not sufficient. Tip: A description of fatigue loaded joints and basic information are presented in the Fatigue Strength of Weld Joint topic of the Engineer's Handbook.

    Access:

    		Ribbon: Environments tabConvert panelButt Weld Calculator , and then click the Fatigue Calculation tab

     

    Loads

    Enter the loading parameters.

    Endurance Limit Determination

    Set the parameters. See the Weld Joint Endurance Limit Determination chapter in Engineer's Handbook for more information.

    Basic Endurance Limit of Material

    Use the estimated value (predefined by the calculator), or enter a value according to the results of the material tests.

    Surface Factor

    Implies that the fatigue strength is growing in relation to the increasing quality. Click the arrow to set the value in the Surface Factor dialog box.

    Size Factor

    The value is lower than 1 for joints loaded with reversed bend or torsion (shear). If the joint is loaded with reversed tension, its value has no effect on the fatigue strength.

    Reliability Factor

    Displays a calculated value. The value decreases in relation to the growth of the reliability requirement.

    Modified Factor of Stress Concentration

    Displays a reciprocal value to the Fatigue-Strength Reduction Factor.

    Operating Temperature Factor

    Depends on the used material. The endurance limit of the commonly used structural steels working in the approximate range between -20 and 200°C can be set as 1 (it does not depend much on the temperature).

    Factor of Miscellaneous Effects

    Includes all other effects that can reduce or increase the fatigue strength of the weld joint (for example the influence of corrosion).

    Fatigue Strength Calculation Method

    See the Endurance Limit for Weld Joints and Fatigue Strength of Weld Joints chapters in Engineer's Handbook to find more information and calculation formulas.

    Calculation Parameters

    Sets the parameters for calculation process.

    Dynamic Stroke Factor

    Specifies you enter or values you select in the Recommended values of dynamic stroke factor dialog box.

    NoteSee the Fatigue Strength of Weld Joint chapter in Engineer's Handbookfor more information.

    Life in Thousands of Deflections

    Specifies a value you select from the list. Instructions for selection can be found in the Endurance Limit in the Scope of Timed Strength chapter of the Engineer's Handbook.

    Required Safety Degree

    Sets the ratio of fatigue strength and the calculated stress of the weld joint. Enter the value, or click the arrow to select the value in the Safety Factor of Fatigue-Loaded Weld Joint dialog box.

    NoteSee the Safety Factor of Fatigue Loaded Weld Joint chapter of the Engineer's Handbook for more information.

    Results

    Displays the calculated values and the joint strength check.

    Summary of Messages area

    Displays the reports about calculation. To open the Summary of Messages area at the bottom of the tab, double-click the double line at the bottom of the tabs or click the chevron.

    Calculation of Fatigue Loaded Weld According to the CSN Standard

    The Fatigue Calculation tab changes if calculation according to CSN is applied. Select the Calculation according to CSN option in More Options of the Calculation tab.

    The section of the Check of Basic Material replaces the Endurance Limit Determination. It contains parameters needed within the calculation for checking the strength in a part of weldment not affected by the weld.

    The section of Calculation Parameters contains some additional parameters.

    NoteCalculation of fatigue loaded welds according to CSN is only determined for the 11 class steels with strength 370, 420 and 520 MPa.

    Calculation tab

    Toolbar Commands

    Fillet Weld (Connection Plane Load) Calculator - Calculation tab

    Sets parameters for calculation of a fillet weld joint loaded in the connection plane.

    Access:

    		Ribbon: Environments tabConvert panelFillet Weld Calculator (Plane)

    Loads

    Enter forces, bending moments, and other important parameters that specify the weld loading. Displayed options depend on the Weld Load selected type.

    Dimensions

    Summarizes all parameters necessary for definition of the weld geometry. Displayed options depend on the Weld Form selected type.

    Joint Material and Properties

    Opens the Material Database where you select a material. Edit the properties of the material, if needed.

    Yield Strength

    Displays the maximum stress that can be applied without permanent deformation of the test specimen. The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Ultimate Tensile Strength

    The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Safety Factor

    Enter the value or click the arrow to set the value in the Safety Factor dialog box.

    Weld Form

    Select the weld form to insert values for fatigue calculation.

    Calculation of Statically Loaded Weld

    A switch for selection of the Standard Calculation Procedure and Method of Comparative Stresses. Selects a calculation method for statically loaded weld joints. Both methods calculate resultant stresses in a similar way, but the evaluation of results for the strength check is different. See the Engineer's Handbook for used methods of weld joint calculations.

    Standard Calculation Procedure

    Checks joint strength by direct comparison of calculated normal, shear, or resulting reduced stress with the allowable stress by using a standard calculation procedure. See the Engineer's Handbook for calculation formulas.

    Method of Comparative Stresses

    Compares allowable stress with auxiliary comparative stress, which is determined from the calculated partial stresses by using conversion factors of the weld joint when the strength check is carried out with this method. See the Engineer's Handbook for calculation formulas.

    Weld Loads

    Select the type of load within the weld.

    Results

    Displays the calculated values and the weld strength check.

    Summary of Messages area

    Displays the reports about calculation. To open the Summary of Messages area at the bottom of the tab, double-click the double line at the bottom of the tab or click the chevron.

    Fatigue Calculation tab

    Toolbar Commands

    Fillet Weld (Connection Plane Load) Calculator - Fatigue Calculation tab

    Calculates fatigue loaded weld joints where static calculation is not sufficient.

    Tip A description of fatigue loaded joints and basic information are presented in the Fatigue Strength of Weld Joint topic of the Engineer's Handbook.

    Access:

    		Ribbon: Environments tabConvert panelFillet Weld Calculator (Plane) , and then click the Fatigue Calculation tab.

    Loads

    Enter the loading parameters.

    Endurance Limit Determination

    Sets the parameters. See the Weld Joint Endurance Limit Determination chapter in Engineer's Handbook for more information.

    Basic Endurance Limit of Material

    Specifies either the estimated value (predefined by the calculator) or a value according to the results of the material tests you enter.

    Surface Factor

    Implies that the fatigue strength is growing in relation to the increasing quality. Click the arrow to set the value in the Surface Factor dialog box.

    Size Factor

    The value is lower than 1 for joints loaded with reversed bend or torsion (shear). If the joint is loaded with reversed tension, pressure its value has no effect on the fatigue strength.

    Reliability Factor

    Displays a calculated value. The value decreases in relation to the growth of the reliability requirement.

    Modified Factor of Stress Concentration

    Displays a reciprocal value to the Fatigue-Strength Reduction Factor.

    Operating Temperature Factor

    Depends on the used material. The endurance limit of the commonly used structural steels working in the approximate range between -20 and 200°C can be set as 1 (it does not depend much on the temperature).

    Factor of Miscellaneous Effects

    Includes all other effects that can reduce or increase the fatigue strength of the weld joint (for example the influence of corrosion).

    Fatigue Strength Calculation Method

    See the Endurance Limit for Weld Joints and Fatigue Strength of Weld Joints chapters in Engineer's Handbook to find more information and calculation formulas.

    Calculation Parameters

    Sets the parameters for calculation process.

    Dynamic Stroke Factor

    Specifies a value you enter or select in the Recommended values of dynamic stroke factor dialog box.

    NoteSee the Fatigue Strength of Weld Joint chapter in Engineer's Handbook for more information.

    Life in Thousands of Deflections

    Specifies a value you select from the list. Instructions for selection can be found in the Endurance Limit in the Scope of Timed Strength chapter of the Engineer's Handbook.

    Required Safety Degree

    Sets the ratio of fatigue strength and the calculated stress of the weld joint. Enter the value, or click the arrow to select the value in the Safety Factor of Fatigue-Loaded Weld Joint dialog box.

    NoteSee the Safety Factor of Fatigue Loaded Weld Joint chapter of the Engineer's Handbook for more information.

    Calculation of Fatigue Loaded Weld According to the CSN Standard

    The Fatigue Loading tab changes if calculation according to CSN is applied.

    The section of the Check of Basic Material replaces the Endurance Limit Determination. It contains parameters needed within the calculation for checking the strength in a part of weldment not affected by the weld.

    The section of Calculation Parameters contains some additional parameters.

    NoteCalculation of fatigue loaded welds according to CSN is only determined for the 11 class steels with strength 370, 420 and 520 MPa.

    Results

    Displays the calculated values and the joint strength check.

    Summary of Messages area

    Displays the reports about calculation. To open the Summary of Messages area at the bottom of the tab, double-click the double line at the bottom of the tabs or click the chevron.

    Calculation tab

    Toolbar Commands

    Fillet Weld (Spatial Load) Calculator - Calculation tab

    Sets parameters for calculation of a fillet weld joint specially loaded.

    Access:

    		Ribbon: Environments tabConvert panelFillet Weld Calculator (Spatial)

    Calculation of Statically Loaded Weld

    Specifies the Standard Calculation Procedure and Method of Comparative Stresses. Selects a calculation method for statically loaded weld joints. Both methods calculate resultant stresses in a similar way, but the evaluation of results for the strength check is different. See the Engineer's Handbook for used methods of weld joint calculations.

    Standard Calculation Procedure

    Checks joint strength by direct comparison of calculated normal, shear, or resulting reduced stress with the allowable stress by using a standard calculation procedure. See the Engineer's Handbook for calculation formulas.

    Method of Comparative Stresses

    Compares allowable stress with auxiliary comparative stress, which is determined from the calculated partial stresses by using conversion factors of the weld joint when the strength check is carried out with this method. See the Engineer's Handbook for calculation formulas.

    Joint Material and Properties

    Check the check box to open Material Database and select a material. Edit the properties of the material, if needed.

    Yield Strength

    Displays the maximum stress that can be applied without permanent deformation of the test specimen. The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Ultimate Tensile Strength

    The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Safety Factor

    Enter the value or click the arrow to set the value in the Safety Factor dialog box.

    Loads

    Enter forces, bending moments, and other important parameters that specify the weld loading. Displayed options depend on the Weld Load selected type.

    Dimensions

    Summarizes all parameters necessary for definition of the weld geometry. Displayed options depend on the Weld Form selected type.

    Joint Material and Properties

    Check the check box to open Material Database and select a material. Edit the properties of the material, if needed.

    Yield Strength

    Displays the maximum stress that can be applied without permanent deformation of the test specimen. The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Ultimate Tensile Strength

    The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Safety Factor

    Enter the value or click the arrow to set the value in the Safety Factor dialog box.

    Weld Form

    Specifies the weld form. According to your selection, the Fatigue Calculation tab can be enabled to enter values for fatigue calculation.

    Weld Loads

    Specifies the type of calculated weld load.

    NoteOptions from this area are tightly connected with options in Loads area. Selection here affects displayed options in the Loads area.

    Results

    Displays the calculated values and the weld strength check.

    Summary of Messages area

    Displays the reports about calculation. To open the Summary of Messages areas at the bottom of the tab, double-click the double line at the bottom of the tabs or click the chevron.

    Fatigue Calculation tab

    Toolbar Commands

    Fillet Weld (Spatial Load) Calculator - Fatigue Calculation tab

    Calculates fatigue loaded weld joints where static calculation is not sufficient. Tip: A description of fatigue loaded joints and basic information are presented in the Fatigue Strength of Weld Joint topic of the Engineer's Handbook.

    Access:

    		Ribbon: Environments tabConvert panelFillet Weld Calculator (Spatial) , and click the Fatigue Calculation tab.

    Loads

    Enter the loading parameters.

    Sets the parameters. See the Weld Joint Endurance Limit Determination chapter in Engineer's Handbook for more information.

    Basic Endurance Limit of Material

    Specifies either the estimated value (predefined by the calculator), or a value according to the results of the material tests you enter.

    Surface Factor

    Implies that the fatigue strength is growing in relation to the increasing quality. Check the boxes to enter the Surface Factor value.

    Size Factor

    The value is lower than 1 for joints loaded with reversed bend or torsion (shear). If the joint is loaded with reversed tension, pressure its value has no effect on the fatigue strength.

    Reliability Factor

    Displays a calculated value. The value decreases in relation to the growth of the reliability requirement.

    Modified Factor of Stress Concentration

    Displays a reciprocal value to the Fatigue-Strength Reduction Factor.

    Operating Temperature Factor

    Depends on the used material. The endurance limit of the commonly used structural steels working in the approximate range between -20°C and 200°C can be set as 1 (it does not depend much on the temperature).

    Factor of Miscellaneous Effects

    Includes all other effects that can reduce or increase the fatigue strength of the weld joint (for example the influence of corrosion).

    Fatigue Strength Calculation Method

    See the Endurance Limit for Weld Joints and Fatigue Strength of Weld Joints chapters in Engineer's Handbook to find more information and calculation formulas.

    Calculation Parameters

    Sets the parameters for calculation process.

    Dynamic Stroke Factor

    Specifies the value you enter or the value you select in the Recommended values of dynamic stroke factor dialog box.

    NoteSee the Fatigue Strength of Weld Joint chapter in Engineer's Handbookfor more information.

    Life in Thousands of Deflections

    Specifies a value you select from the list. Instructions for selection can be found in the Endurance Limit in the Scope of Timed Strength chapter of the Engineer's Handbook.

    Required Safety Degree

    Sets the ratio of fatigue strength and the calculated stress of the weld joint. Enter the value, or click the arrow to select the value in the Safety Factor of Fatigue-Loaded Weld Joint dialog box.

    NoteSee the Safety Factor of Fatigue Loaded Weld Joint chapter of the Engineer's Handbook for more information.

    Calculation of Fatigue Loaded Weld According to the CSN Standard

    The Fatigue Loading tab changes if calculation according to CSN is applied.

    The section of the Check of Basic Material replaces the Endurance Limit Determination. It contains parameters needed within the calculation for checking the strength in a part of weldment not affected by the weld.

    The section of Calculation Parameters contains some additional parameters.

    NoteCalculation of fatigue loaded welds according to CSN is only determined for the 11 class steels with strength 370, 420 and 520 MPa.

    Results

    Displays the calculated values and the joint strength check.

    Summary of Messages area

    Displays the reports about calculation. To open the Summary of Messages areas at the bottom of the tab, double-click the double line at the bottom of the tabs or click the chevron.

    Calculation tab

    Toolbar Commands

    Plug and Groove Weld Calculator - Calculation tab

    Sets parameters for calculation of a plug and groove weld joint.

    Access:

    		Ribbon: Environments tabConvert panelPlug/Groove Weld Calculator .

    Calculation of Statically Loaded Weld

    Specifies the Standard Calculation Procedure and Method of Comparative Stresses. Selects a calculation method for statically loaded weld joints. Both methods calculate resultant stresses in a similar way, but the evaluation of results for the strength check is different. See the Engineer's Handbook for used methods of weld joint calculations.

    Standard Calculation Procedure

    Checks joint strength by direct comparison of calculated normal, shear, or resulting reduced stress with the allowable stress by using a standard calculation procedure. See the Engineer's Handbookfor calculation formulas.

    Method of Comparative Stresses

    Compares allowable stress with auxiliary comparative stress, which is determined from the calculated partial stresses by using conversion factors of the weld joint when the strength check is carried out with this method. See the Engineer's Handbook for calculation formulas.

    Loads

    Enter the acting force.

    Dimensions

    Summarizes all parameters necessary for definition of the weld geometry. Displayed options depend on the Weld Design selected type.

    Joint Material and Properties

    Opens the Material Database where you select a material. Edit the properties of the material, if needed.

    Yield Strength

    Displays the maximum stress that can be applied without permanent deformation of the test specimen. The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Safety Factor

    Enter the value or click the arrow to set the value in the Safety Factor dialog box.

    Weld Design

    Diagrammatic pictures of weld design are changed according to the selected weld type. Choose the corresponding weld design.

    Results

    Displays the calculated values and the weld strength check.

    Summary of Messages area

    Displays the reports about calculation. To open the Summary of Messages area at the bottom of the tab, double-click the double line at the bottom of the tabs or click the chevron.

    Toolbar Commands

    Spot Weld Calculator - Calculation tab

    Sets parameters for calculation of a spot weld joint.

    Access:

    		Ribbon: Environments tabConvert panelSpot Weld Calculator

    Calculation of Statically Loaded Weld

    Specifies the Standard Calculation Procedure and Method of Comparative Stresses. Selects a calculation method for statically loaded weld joints. Both methods calculate resultant stresses in a similar way, but the evaluation of results for the strength check is different. See the Engineer's Handbook for used methods of weld joint calculations.

    Standard Calculation Procedure

    Checks joint strength by direct comparison of calculated normal, shear, or resulting reduced stress with the allowable stress by using a standard calculation procedure. See the Engineer's Handbook for calculation formulas.

    Method of Comparative Stresses

    Compares allowable stress with auxiliary comparative stress, which is determined from the calculated partial stresses by using conversion factors of the weld joint when the strength check is carried out with this method. See the Engineer's Handbook for calculation formulas.

    Loads

    Enter the acting force.

    Dimensions

    Summarizes all parameters necessary for definition of the weld geometry. Displayed options depend on the Weld Design selected type.

    Joint Material and Properties

    Opens the Material Database where you select a material. Edit the properties of the material, if needed.

    Yield Strength

    Displays the maximum stress that can be applied without permanent deformation of the test specimen. The value is automatically modified according to the selected material. When you edit the value, the selected material is changed to User.

    Safety Factor

    Enter the value or click the arrow to set the value in the Safety Factor dialog box.

    Weld Design

    Diagrammatic pictures of weld design are changed according to the selected weld type. Choose the corresponding weld design.

    Results

    Displays the calculated values and the weld strength check.

    Summary of Messages area

    Displays the reports about calculation. To open the Summary of Messages area at the bottom of the tab, double-click the double line at the bottom of the tabs or click the chevron.

    Toolbar Commands

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